// Copyright (c) 2014-2019, MyMonero.com
//
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without modification, are
// permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this list of
//	conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice, this list
//	of conditions and the following disclaimer in the documentation and/or other
//	materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its contributors may be
//	used to endorse or promote products derived from this software without specific
//	prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
"use strict"
//
// Public - Imperatives - Yielding task products
function CallBack(
	taskUUID, 
	err, 
	returnValue, 
	backgroundToFore_postingImplFn // (payload) -> Void
)
{
	const payload =
	{
		eventName: 'FinishedTask', 
		taskUUID: taskUUID, 
		err_str: err && typeof err !== 'string' ? ""+err : err, 
		returnValue: returnValue
	}
	backgroundToFore_postingImplFn(payload)
}	
exports.CallBack = CallBack
//
// Internal - Delegation
function _didReceiveIPCPayload(tasksByName, payload)
{
	const taskName = payload.taskName
	const taskUUID = payload.taskUUID
	const payload_args = payload.args
	const argsToCallWith = payload_args.slice() // copy
	{ // finalize:
		argsToCallWith.unshift(taskUUID) // prepend with taskUUID
	}
	const taskFn = tasksByName[taskName]
	taskFn.apply(
		this, // this might need to be exposed as an arg later
		argsToCallWith
	)
}
exports._didReceiveIPCPayload = _didReceiveIPCPayload